Gansu sanyuan microsilcia co.,ltd

SEMI-DENSIFIED MICROSILICA SiO2: 85%min. Bulk density: max. 352KG/M3 Chlorides: max. 1% Total Alkalies: max.1.5% Loss on Ignition: max.3.5% Moisture: max.1.5% Specific gravity: 2.2-2.55 Oversize (>45um): max 2.5% Pozz. Activity index (7d) min 105